Figure 18-1 on the Graph, L Represents the Quantity of Labor and Labor

Multiple Choice

Figure 18-1
On the graph, L represents the quantity of labor and Q represents the quantity of output per week.
-Refer to Figure 18-1. Suppose the firm sells its output for $12 per unit, and it pays each of its workers $700 per week. The value of the marginal product of the fifth worker is

A) $540
B) $700
C) $720
D) $1,080